Align 500 Landing Skid Use for T-REX 500 Skid pipe x2(5x6.5x237mm), Landing skid x2, Skid pipe end cap x4 M3 Set screw x 4(M3x4mm), Socket screw x 4(M2x10mm) M2 nut x 4, Washer x 4(2x6x0.6mm) Landing skid nut x 4(6.4x10.5x12mm), Antena pipe x 1(2x3.9x400mm)